96372 CPT Code: Injection of drug substance under skin or into muscle Billing CPT Code 96372 Accurate Injection Claim Guide CPT Code 96372: Billing Guide, Modifiers and Reimbursement 2026 CPT Code 99211: Billing Guidelines And Reimbursement Rates Injection and Infusion Coding: What You NEED to Know! Not all injections are created equal and in the CPT Medicine section, the difference between an IV infusion, an IM injection,